.text 
.global start
start:
mov r0,#1  @r0=1
mov r1,#2 @r1=2
add r1,r1,r0 // r1 = r1+r0
ldr r2,=result /*result = r1*/
str r1,[r2]
stop:b stop
.data
result:.word 0 /*a word location*/
